Metal Weight Calculator

O’Neal Steel offers a simple and easy to use metal weight calculator to help you determine how much your material will weigh. Simply enter your metal type, metal shape, and size, and we’ll calculate the rest for you. Need to perform a unit conversion? Our calculator also converts weight metrics too.

Ready to get started on your next project? Generate instant quotes, place orders 24/7, and more in PRONTO®.

Select Your Metal Type:

Select Your Metal Shape:

Number of Pieces:

Enter size information:

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Calculated Weights

Approx. weight in lbs*

Approx. weight in kg*

*These weights should be used for estimation purposes only. Plate weight does not allow for kerf.

Inches to Millimeter

Millimeter to Inches

Pounds to Kilograms

Kilograms to Pounds

Metric Tons to Pounds

Metric Tons to Tons

Fahrenheit to Celsius

Celsius to Fahrenheit

Ff/Lbs to Joules

Joules to Ft/lbs

MPa to psi

MPa to ksi

psi to MPa

ksi to MPa

Carbon Equivalency Formula

PcM Formula

Why use our metal weight calculator?

Whether you are looking to estimate the weight of alloy, aluminum, cold-finished steel, hot rolled steel, stainless steel, or another material – O’Neal Steel’s metal weight calculator allows for fast and efficient estimation of your project’s load size.

Additionally, we offer the ability to adjust estimates according to your metal shape. Estimate the amount of material you may need, and then visit our revolutionary e-commerce platform, PRONTO®, to place an order today! O’Neal Steel’s vast inventory of metal products includes the following shapes: plate, sheet, round tube, square bar, flat bar, round bar, angle, beam, channel, and more.